Research Article

Preparation and Characterization of Biocompatible Polymer Particles as Potential Nanocarriers for Inhalation Therapy

Figure 1

The experimental set-up for determination of particle size distribution of aerosolized powder: 1: inhaler, 2: adapter, 3: USP inlet, 4: inhalation chamber, 5: laser emitter of Spraytec spectrometer, 6: laser beam, 7: laser detector of Spraytec spectrometer, 8: optical bench, and 9: valve and air flowmeter.